ABAP Select data from SAP table DFKKEXC_SUM_HIST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DFKKEXC_SUM_HIST table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to DFKKEXC_SUM_HIST. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the DFKKEXC_SUM_HIST table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_DFKKEXC_SUM_HIST TYPE STANDARD TABLE OF DFKKEXC_SUM_HIST,
      WA_DFKKEXC_SUM_HIST TYPE DFKKEXC_SUM_HIST,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <DFKKEXC_SUM_HIST> TYPE DFKKEXC_SUM_HIST.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DFKKEXC_SUM_HIST.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DFKKEXC_SUM_HIST
  INTO TABLE IT_DFKKEXC_SUM_HIST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKEXC_SUM_HIST
*  INTO TABLE @DATA(IT_DFKKEXC_SUM_HIST2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_DFKKEXC_SUM_HIST INDEX 1 INTO DATA(WA_DFKKEXC_SUM_HIST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DFKKEXC_SUM_HIST ASSIGNING <DFKKEXC_SUM_HIST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKEXC_SUM_HIST>-MANDT = 1.
<DFKKEXC_SUM_HIST>-OFFIC = 1.
<DFKKEXC_SUM_HIST>-CHDSK = 1.
<DFKKEXC_SUM_HIST>-PAYKY = 1.
<DFKKEXC_SUM_HIST>-GKYNR = 1.

ENDLOOP.

LOOP AT IT_DFKKEXC_SUM_HIST INTO WA_DFKKEXC_SUM_HIST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKEXC_SUM_HIST-PAYTP, sy-vline,
  WA_DFKKEXC_SUM_HIST-WAERS, sy-vline,
  WA_DFKKEXC_SUM_HIST-BETRZ, sy-vline,
  WA_DFKKEXC_SUM_HIST-VALUT, sy-vline,
  WA_DFKKEXC_SUM_HIST-STAKY, sy-vline,
  WA_DFKKEXC_SUM_HIST-OPBEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKEXC_SUM_HIST you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_DFKKEXC_SUM_HIST TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_DFKKEXC_SUM_HIST INTO WA_DFKKEXC_SUM_HIST.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKEXC_SUM_HIST-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEXC_SUM_HIST-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKEXC_SUM_HIST-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEXC_SUM_HIST-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKEXC_SUM_HIST-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEXC_SUM_HIST-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ICMBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKEXC_SUM_HIST-ICMBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEXC_SUM_HIST-ICMBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRVBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKEXC_SUM_HIST-PRVBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEXC_SUM_HIST-PRVBL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DFKKEXC_SUM_HIST_STR, 
MANDT TYPE STRING,
OFFIC TYPE STRING,
CHDSK TYPE STRING,
PAYKY TYPE STRING,
GKYNR TYPE STRING,
PAYTP TYPE STRING,
WAERS TYPE STRING,
BETRZ TYPE STRING,
VALUT TYPE STRING,
STAKY TYPE STRING,
OPBEL TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
ERNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
XIGUID TYPE STRING,
HOST TYPE STRING,
ICMBL TYPE STRING,
PRVBL TYPE STRING,
PRVST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKEXC_SUM_HIST_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_DFKKEXC_SUM_HIST_STR-MANDT sy-vline 
WA_DFKKEXC_SUM_HIST_STR-OFFIC sy-vline 
WA_DFKKEXC_SUM_HIST_STR-CHDSK sy-vline 
WA_DFKKEXC_SUM_HIST_STR-PAYKY sy-vline 
WA_DFKKEXC_SUM_HIST_STR-GKYNR sy-vline 
WA_DFKKEXC_SUM_HIST_STR-PAYTP sy-vline 
WA_DFKKEXC_SUM_HIST_STR-WAERS sy-vline 
WA_DFKKEXC_SUM_HIST_STR-BETRZ sy-vline 
WA_DFKKEXC_SUM_HIST_STR-VALUT sy-vline 
WA_DFKKEXC_SUM_HIST_STR-STAKY sy-vline 
WA_DFKKEXC_SUM_HIST_STR-OPBEL sy-vline 
WA_DFKKEXC_SUM_HIST_STR-GPART sy-vline 
WA_DFKKEXC_SUM_HIST_STR-VKONT sy-vline 
WA_DFKKEXC_SUM_HIST_STR-ERNAM sy-vline 
WA_DFKKEXC_SUM_HIST_STR-CPUDT sy-vline 
WA_DFKKEXC_SUM_HIST_STR-CPUTM sy-vline 
WA_DFKKEXC_SUM_HIST_STR-XIGUID sy-vline 
WA_DFKKEXC_SUM_HIST_STR-HOST sy-vline 
WA_DFKKEXC_SUM_HIST_STR-ICMBL sy-vline 
WA_DFKKEXC_SUM_HIST_STR-PRVBL sy-vline 
WA_DFKKEXC_SUM_HIST_STR-PRVST sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.